Home / 1,785,439,354.97-2,678,109,525.26-475,352,647.13

Finding the Fourth Proportional to 1,785,439,354.97, 2,678,109,525.26 and 475,352,647.13

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Solution

The fourth proportional to 1,785,439,354.97, 2,678,109,525.26 and 475,352,647.13 is: 713,015,789.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,439,354.97 : 2,678,109,525.26 = 475,352,647.13 : x
  2. Step 2: Convert to fraction form
    1,785,439,354.97/2,678,109,525.26 = 475,352,647.13/x
  3. Step 3: Cross multiply
    1,785,439,354.97x = 2,678,109,525.26 × 475,352,647.13
  4. Step 4: Simplify right side
    1,785,439,354.97x = 1,273,046,452,134,031,872
  5. Step 5: Solve for x
    x = 1,273,046,452,134,031,872/1,785,439,354.97
  6. Step 6: Final answer
    x = 713,015,789.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.